Flexible fastener



March 23,1937. s. QUISLING 2,074,369

FLEX I'BLE FASTENER Filed March 12, 1934 50 therein. The opposite sideedge of the head, a body portion connecting said ends, the centralPatented Mar. 23, 1937 l l I v FLEXIBLE FASTENER Sven-e Quisling,Madison, Wis., assignor to Hookless Fastener Company,,Meadville, Pa., acorporation of Pennsylvania Application March 12, 1934, Serial No.715,210

r 3 Claims. (01. 24-205) 1 This invention relates to slide fasteners andfiat piece of rigid material lying in a plane paral- UNITED STATES.PATENT OFFICE more particularly to an improved form of such lel to theplane of the stringer and projecting fastener adapted to be made by myimproved from the edge of the stringer, and having at its method whichis the subject of application Serial free end, extensions on oppositeside edges there.-

5 No. 699,012, now Patent No. 2,030,895. of projecting from the elementin a direction 5 One object of the invention is to provide a parallel tothe edge of the stringer. One'of the fastener whose elements may besecured to a extensions forms the eye 8, and the other the tape beforethe elements are severed from one hook 9. By generally flat piece ofmaterial is another. meant a piece which is flat throughout the great-The invention also contemplates an improved er part of its area and hasportions bent out ,of 10 fastener which can be manufactured by formingthe plane of the fiat material or cut out, as the opposing rows ofelements simultaneously, tapes case may be, to form the member to thedesired being secured to each set of elements before the shape. elementsare completely formed thereby insuring When opposite sets of elementsare brought l5 proper spacing of the elements upon the tape. together atthe proper angle by means of a slide Altho the invention in its presentembodiment II), the projection 9 of one element will enter the may bemanufactured at a minimum cost, it proopening 8 of the adjacentoppositely disposed elevides a very eflicient closure. ment. When aseries of the elements have been With these and other objects in view,the inthus brought together, an intermeshing that is vention resides inthe combination and arrangeproof against accidental displacing is setup. The 5 ment of parts hereinafter described and claimed, slide may beof a type that will ride against the it being understood that changesmay be made in shoulders on the elements and thus save wear the preciseembodiment shown without departon the tape.

ing from the scope of what is claimed. Having thus described myinvention, what I 5 In the drawing:- claim is:-

Figure 1 is an end view of a strip of partially 1. A separable fastenerof the class described formed elements about to receive the tapes;comprising a pair of flexible stringers, cooperat- Figure 2 is a similarview with the tapes in ing series of interlocking members arranged onplace; said stringers in staggered relation, said inter- Figure 3 is aplan view of Figure 2; locking members each comprising a generallyjgoFigure 4 is a plan view of the device after the flat piece of rigidmaterial formed at one end to elements have been separated and a slidehas provide attachment means for securing it to the been positionedthereon, and stringer, said piece of rigid material lying in a Figure 5is an enlarged perspective view of one plane parallel to the stringerand projecting outof the units. wardly from the edge of the stringer,the pro- 35 Referring to the drawing in detail, a strip of jecting endhaving an eye formed on one side material 'I is stamped out in the shapeshown edge adapted to receive a projecting hook of an in full lines inFigure 3. The body portions 2 of adjacent member and a projecting hookformed the fastener elements, t 0 be o p ted. are on the other side edgeadapted to enter in the 4 bent down near their outer ends and the outereye of an adjacent member. o ends turned up forming channels 3 intowhich 2. A separable fastener of the class described, t e tape 4 ainserted, as is Shown in Figure 1. comprising a pair of flexiblestringers, cooper- The end portions are then bent under the body atingseries of interlocking members arranged on portion and the tapes clamp dti y in place. said stringers in staggered relation, said meme elementsre next severed f m one a bers each comprising a generally flat piece of45 Ot e y cutting ong the dotted lines 5 shown metal parallel to theplane of the stringer and in Figure 3. One side edge of the head 6,formed having attachment means formed at one end for when cuttin thelemen r is bent ownsecuring it to the stringer and having at its otherward as at 1 anda suitably shaped eye apunched end a head wider thansaid attachment end, and

has its edges pressed inwardly forming a more portion-of said headhaving substantially the or less pointed projection or hook 9. a samethickness as the body portion, said mem- Each of the elements orinterlocking members bers being spaced apart on the stringers so that ofthe fastener may thus be described as constithe distance between theattaching ends is equal tilting a substantially rectangular andgenerally to the over-all width of the head portion whereby 55 themembers on two stringers can be cut from a single strip of material,said wide projecting end having on opposite side edges male and ie-1male interlocking elements adapted to interlock with correspondinginterlocking elements on adjacent members.

3. A separable fastener or the class described comprising a pair offlexible stringers, cooperating series of interlocking members arrangedon said stringers in staggered relation, each interlocking membercomprising a substantially rectangular and generally flat piece of rigidmaterial in a plane parallel to the plane oi the stringer, having meansat one end for securing it to the stringer, said member projecting fromthe edge oi! the stringer and having at its free end, extensions onopposite side edges thereof projecting from the element in a directionparallel to the edge of the stringer, one of said extensions having aneye formed therein adapted to receive the projection of an adjacentmember and the other or said extensions having a projection adapted toenter in an eye of an adjacent mem- 11

